Add configuration for "Read the Docs"

Author: Cito

.readthedocs.yaml

@@ -0,0 +1,21 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html
+
+version: 2
+
+build:
+  os: ubuntu-20.04
+  tools:
+    python: "3.9"
+
+sphinx:
+   configuration: docs/conf.py
+
+formats:
+  - epub
+  - pdf
+
+python:
+  install:
+  - requirements: docs/requirements.txt

MANIFEST.in

@@ -9,6 +9,7 @@ include .coveragerc
 include .editorconfig
 include .flake8
 include .mypy.ini
+include .readthedocs.yaml
 
 include tox.ini
 

pyproject.toml

@@ -33,6 +33,7 @@ packages = [
     { include = '.editorconfig', format = "sdist" },
     { include = '.flake8', format = "sdist" },
     { include = '.mypy.ini', format = "sdist" },
+    { include = '.readthedocs.yaml', format = "sdist" },
     { include = 'poetry.lock', format = "sdist" },
     { include = 'tox.ini', format = "sdist" },
     { include = 'setup.cfg', format = "sdist" },